Improvement in can-openers



1'0 all whom tit-may concern.-`

ptlwl eine.

A. N I wetted tat@ WILLIAM W. LYMAN, on WEST MERIDEN, ooNNEoTIeUr.

i Letters Patenti-No. 105,583, dated July 19, 1870.

IIMPROVEMENTfI-[N CANOPENERS.

Beft known that I, WILLIAM W. LYMAN, of West Meriden, in the county of `New Haven and State of Connecticut, here invented. u new Improvement in Gan-Opener; and I` do hereby declare the following, when tztkenifin connection with the accompanying drawing and the letters of ,reference marked thereon, to be a full, clear, and exact description of the same,

and which said drawing constitute s p'nrt of this specication, und represents in- Figure 1, aside view, and in` `Figure 2, it View from the` underside, looking up. f This invention relates to an improvement in ezmopeners, the object being to make the opener adjusteble to different sized eens;` and 4'.lhe invention consists in combining with a. xed rotary cutter an adjustable pivot, constructed/ so as tobe inserted through and turnunder the cover. i A is the'armlorjhandle, in which a, revolving cutter, a, is arranged, projections being formed upon the handie to support the cutter, and the inside part, (l, of `-the'projeetion forms a. guide to govern the depth or run'of the cutter.

` i The Schedule referred, 'to in these Letters `Patent and making part of the same.

B is the pivot, the lower end of which is turned'etV an angle, and formed into a. point at l).

The said pivot B is formed on im erm, D, zuid set onto the principal arm A, and the two secured togethenby a. set-screw, E, and one or the other, or both, of the arms slotted, so'that theylmuy be extended, as denoted in .broken lines, iig. 1, thus adjusting the radius of the circle described by the cutter a, with the pivot-B as itseenter.

The point l1 is inserted through the metal und turned down until the pivot B passes through and the cutter and pivot stand in the relative position to the 'cover or surface to be cut, as denoted by broken line,

I claim- The combination of the revolving cutter a and the pivot B, constructed with the point b, und. formed up- 

